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Cable Media
For the Networking Essentials exam, you need to know how to make decisions about network transmission media based on some of the factors described in previous sections of this chapter. The following sections discuss three types of network cabling media, as follows:
Later in this chapter, you learn about some of the wireless communication forms.


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Some large networks use combinations of media. When you mix and match different types of media, difficulties can arise, largely because mixed media require a greater level of expertise and training on the part of the network support staff. As the number of media types increases, your own responsibilities increase—when a problem arises on the LAN, the number of areas you must investigate increases dramatically when mixed transmission media are involved.

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